Why Choose the Mersen FR14GR69V10T Protistor® High-Speed Semiconductor Fuse?
The Mersen FR14GR69V10T is a premium Protistor® high-speed semiconductor protection fuse with striker, engineered to provide exceptionally fast, full-range protection for sensitive power electronic equipment. Designed in accordance with IEC 60269-1 and IEC 60269-4, this gR characteristic fuse safeguards semiconductor devices against both overloads and short-circuit faults while minimising let-through energy to maximise equipment reliability.
Part of Mersen's trusted 14 × 51 mm Protistor® series, the FR14GR69V10T is ideal for protecting IGBTs, thyristors, SCRs, diodes and rectifiers used in variable speed drives, UPS systems, industrial inverters, converters and renewable energy installations. The integrated striker indicator provides rapid mechanical blown-fuse indication and can be used with compatible signalling accessories for simplified maintenance.
Featuring a 10 A current rating, 690 V AC IEC / 700 V AC UL rated voltage and an impressive 160 kA breaking capacity, the FR14GR69V10T delivers dependable semiconductor protection in demanding industrial environments.
Key Advantages
- High-speed gR full-range semiconductor protection fuse.
- 10 A rated current.
- 690 V AC IEC / 700 V AC UL rated.
- Integrated striker indicator for blown fuse indication.
- 160 kA breaking capacity.
- Protects against both overload and short-circuit faults.
- Low let-through energy helps protect valuable semiconductor devices.
- Compact 14 × 51 mm cylindrical design.
Key Features
- Manufacturer: Mersen.
- Series: Protistor® Size 14 × 51 gR.
- Model: FR14GR69V10T.
- Item number: H1017182.
- Rated current: 10 A.
- Rated voltage: 690 V AC IEC / 700 V AC UL.
- gR full-range operating characteristic.
- Integrated striker indicator.
- Current-limiting design.
- RoHS and UKCA compliant.
Engineered for Reliable Semiconductor Protection
The Protistor® 14 × 51 mm gR range has been specifically developed to protect sensitive semiconductor devices against damaging fault currents. Its fast-acting construction provides comprehensive protection from overloads and short circuits, reducing downtime and extending the operational life of valuable power electronic equipment.
The integrated striker indicator enables quick identification of an operated fuse, helping maintenance personnel minimise service interruptions and improve system availability.
Typical Applications
- Variable speed drives.
- Industrial inverters.
- UPS systems.
- Power converters.
- Motor control equipment.
- Renewable energy systems.
- Industrial automation.
- Semiconductor power supplies.
